The One That

DOES IT ALL.

The Extrol Pro^® next generation expansion tank is engineered for modern, high-efficiency systems including hydronic, solar and radiant systems.

We Are

MAKERS OF BETTER

At Amtrol, better is a mindset, a measuring tool and a directional compass. We’re makers of better because together, better is possible.

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Brands

KNOWN FAR & WIDE

Our brands are the most recognized in the industry. Don’t believe it? Independent research shows that Well-X-Trol^®, Extrol^®, Therm-X-Trol^® and BoilerMate^® are at the top of the list for quality, innovation and reliability. When it comes to great brands, you can stake your reputation on ours.

Quality

NEVER COMPROMISED

Superior quality is non-negotiable at Amtrol^®. We set the bar when we invented the pre-pressurized well tank and ours is still the best. Whether it’s our products, programs or people, we don’t compromise and neither should you.

Everything

YOU NEED TO KNOW

Everything you need to specify, sell and install Amtrol products is available in printed form, online and through the Amtrol app. We’ll help you get the job done right.